Title
State Observer To Improve The Vsg Control Stability
Abstract
This paper proposes an observer-based current controller for a virtual synchronous generators (VSG) to improve its operational performances. First, the model and the controllers are analytically described. Two controller are compared to the proposed one (PI integrating a state observer): a traditional PI and a PI integrating virtual impedances for filtering. Secondly, the advantage of the observer in the current controller loop for the VSG application is studied and compared to the other controllers. Finally, experimental results validate the capacity of the VSG-based inverter to supply unknown and unpredictable loads, thanks to the integration of the observer in the current control loop.
Year
DOI
Venue
2020
10.1109/IECON43393.2020.9254788
IECON 2020: THE 46TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY
Keywords
DocType
ISSN
Grid Forming Inverters, State Observer, Microgrids, Power Generation, Renewable Energies, State-Space model, Synchronous Machine, Synchronverter, Virtual Synchronous Generator
Conference
1553-572X
Citations 
PageRank 
References 
0
0.34
0
Authors
8